Quiz about space

Quiz about space
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1. How many planets are there in our planetary system?

2. What is Supernova?

3. What is the solar wind?

4. Which country was the first to launch an artificial satellite?

5. Callisto is the moon of ______

6. Which of the following is not a galaxy?

7. Which cosmic object hit the Earth once?

8. What happens to the star after its death?

9. What is asterism?